(19)
(11) EP 0 387 430 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
05.12.1990 Bulletin 1990/49

(43) Date of publication A2:
19.09.1990 Bulletin 1990/38

(21) Application number: 89302474.5

(22) Date of filing: 14.03.1989
(51) International Patent Classification (IPC)5: B21J 15/32
(84) Designated Contracting States:
BE DE ES FR GB IT NL SE

(71) Applicant: GEMCOR ENGINEERING CORP.
Buffalo New York 14207 (US)

(72) Inventors:
  • Davern, John W.
    North Tonawanda New York 14120 (US)
  • Mazurik, Frank T.
    Williamsville New York 14221 (US)

(74) Representative: Singleton, Jeffrey et al
Eric Potter Clarkson St. Mary's Court St. Mary's Gate
Nottingham NG1 1LE
Nottingham NG1 1LE (GB)


(56) References cited: : 
   
       


    (54) Method and apparatus for inserting fasteners


    (57) Method and apparatus for inserting fasteners into holes in a workpiece. The apparatus includes finger carrying means (10) which are carried by an anvil (12) for telescoping movement relative to the anvil, the finger carrying means including a bore (36) coaxial with the anvil and through which the anvil may pass as it moves from a raised position to a lowered position. The finger carrying means is provided with a side port (38) through which fasteners (R) may be inserted by a gravity injector, the side port being disposed below the anvil when it is in its raised position. A plurality of annular arrays of resilient fingers (54) are mounted in the bore below the side port. A fastener (R), after being injected into the bore of the finger carrying means, is pushed by the anvil through the fingers as the anvil moves to its lowered position, the annular arrays of resilient fingers properly orienting the fastener in coaxial alignment with the anvil and with a hole in a workpiece.







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